1320219948 has 24 divisors (see below), whose sum is σ = 3115128240. Its totient is φ = 435128320.

The previous prime is 1320219947. The next prime is 1320220001. The reversal of 1320219948 is 8499120231.

It is a super-2 number, since 2×1320219948² = 3485961422194245408, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1320219947) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 617013 + ... + 619148.

It is an arithmetic number, because the mean of its divisors is an integer number (129797010).

Almost surely, 2^1320219948 is an apocalyptic number.

It is an amenable number.

1320219948 is an abundant number, since it is smaller than the sum of its proper divisors (1794908292).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1320219948 is a wasteful number, since it uses less digits than its factorization.

1320219948 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1236257 (or 1236255 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 1320219948 is about 36334.8310578156. The cubic root of 1320219948 is about 1097.0222349932.

The spelling of 1320219948 in words is "one billion, three hundred twenty million, two hundred nineteen thousand, nine hundred forty-eight".